Oil composition



15 oil will give this effect without substantial change tially s u l aybe us d- The above 15 Patented Dec. 13, 1938 7 I OIL COMPOSITIONFerdinand W. Breth, New York, N. Y., and Anton Kinsel, Petrolia, Pa.,assignors to L. Sonneborn Sons, Inc., a corporation of Delaware NoDrawing. Application June 3, 1936, Serial No. 83,268

12 Claims. (Cl. 196151) This invention relates to an oil composition theaddition of various amounts of proto oil to a and more particularly toan oil composition having Texas pale oil, when tested under the sameconimproved oiliness. ditions as described above for the PennsylvaniaPennsylvania oils and their derivatives posoil: sess a high degree ofoiliness. Solvent refined gg g 5 oils, and oils derived from anon-parafiinic base, Texas pale Oil SAIL 20 32 such as the naphthenic orasphaltic base oils of California and Russia, are relatively deficientin oiliness. We have discovered that the oiliness of these latter oilsmay be improved by adding $32: 5:}: 3;; g g gggg g T 10 proto oilthereto. The proto oil should be added in amount and potency uffici nt tappreciably It is understood that we are not to be limited increase theoiliness of the deficient 011. For to acetone extraction to obt the p otas example, additions of up to about 10% of proto any Solvent, in W h te probe 011 is preferen- Texas pale oil S.A.E. plus 1% roto oil 3. 50Texas pale oil S.A.E. 20 plus 2% proto oil 3. 745

in the viscosity of the deficient oil. Larger seriptien s y y Ofustration a d not of amounts of proto oil may be added, accompaniedllmitatlen, d We are to be limited y by the by increase in viscosityappended claims in which we have; endeavored Proto oil is the residueobtained by exhaustively to Claim the inherent y- 20 extracting aPennsylvania residuum with acetone. We claim: 20 The physicalcharacteristics of the protooil and A lubricating 011 compositionComprising a the residuum from which it is obtained r as mineral oildeficient in oiliness, and a residue follgws; obtained by exhaustivelyextracting a Pennsylvania residuum with a solvent having substantiallythe same solvent properties upon said re- Prom on Residual siduum asacetone, said residue being present in 25 0 it S bOMtIOOOF 9095 2200amount and potency sufiicient to appreciably inviifioiet $251,011; at210 FII 452 Si 150 crease the e ness of said mineral 011.

Gravity 35.7 gas 2. A lubricating O11 composition comprising a5%?2233511333::::::::::::::::::::::::: 933 i: it?- mineral Oildistillate deficient i oiliness, and a so residue obtained byexhaustively extracting a Pennsylvania residuum with a solvent havingsubstantially the same solvent properties upon said residuum as acetone,said residue being present in amount and potency sufiicient toappreciably increase the oiliness of said distillate.

3. A lubricating oil composition comprising a lubricating oil deficientin oiliness, and a residue obtained by exhaustively extracting aPennsylvania residuum with a solvent having substantially the samesolvent properties upon said residuum as acetone, said residue beingpresent in amount and potency suificient to appreciably increase theoiliness of said lubricating oil.

4. A lubricating oil composition comprising a I mineral oil derivativedeficient in oiliness, and a Pe sy lublleetlng 01L When a Penna residueobtained by exhaustively extracting a sylvania lubricating oil with aSaybolt viscosity Pennsylvania, residuum it l t having of 57 s con s ppto the band, With rotation substantially the same solvent propertiesupon at 6,000 B. P. M. for 15 minutes at 210 F., about said residuum asacetone, said residue being 50 5.65 milligrams remain on the band. Oilsin present in amount and potency sufi'icient to apwhich a substantiallylesser umber o milligrams preciably increase the oiliness of saidderivative. remains are deficient in oiliness according to this 5, Alubricating oil composition comprising a invention. naphthenic basemineral oil, and a residue ob- The following examples illustrate theeffect of tained by exhaustively extracting a Pennsylvania 55 The degreeof oiliness may be determined by means of the Sperry-CammenAdher-o-scope, which utilizes a thin metal band of known weight andconstant dimensions, to which is applied an oil film. The band is thenplaced on a disc and rotated at several thousand r. p. m. at acontrolled temperature and humidity for a standard 40 period of time,after which the band is removed and Weighed. The amount of oil adheringthereto is a function of the oiliness.

By the expression oil deficient in oiliness as used in the specificationand claims, we mean 45 an oil which has poor adhesive capacity tometallic surfaces as compared with that possessed by residuum with asolvent having substantially the same solvent properties upon saidresiduum as acetone, said residue being present in amount and potencysuificient to appreciably increase the oiliness of said mineral oil.

6. A lubricating oil composition comprising a solvent refined mineraloil, and a residue obtained by exhaustively extracting a Pennsylvaniaresiduum with a solvent having substantially the same solvent propertiesupon said residuum as acetone, said residue being present in amount andpotency sufiicient to appreciably increase the oiliness of said mineraloil.

7 A lubricating oil composition in accordance with claim 1 in which saidresidue is obtained by exhaustively extracting a Pennsylvania residuumwith acetone.

8. A lubricating oil composition in accordance with claim 2 in whichsaid residue is obtained by exhaustively extracting a Pennsylvaniaresiduum with acetone.

9. A lubricating oil composition in accordance with claim 3 in whichsaid residue is obtained by exhaustively extracting a Pennsylvaniaresiduum with acetone.

10. A lubricating oil composition in accordance with claim 4 in whichsaid residue is obtained by exhaustively extracting a Pennsylvaniaresiduum with acetone.

11. A lubricating oil composition in accordance with claim 5 in whichsaid residue is obtained by exhaustively extracting a Pennsylvaniaresiduum with acetone.

12. A'lubricating oil composition in accordance with claim6 in whichsaid residue is obtained by exhaustively extracting a Pennsylvaniaresiduum with acetone.

FERDINAND W. BRETH. ANTON KINSEL.

